1 http://www.jiscinfonet.ac.uk/infokits/data-visualisation/ is a good introductory discussion of issues and trends that the scholar should be aware of. http://selection.datavisualization.ch/ is a compendium of many current tools being used (most of which are free or open source).
2 However, Matthew Jockers (2014), Text Analysis with R for Students of Literature, Cham, Switzerland: Springer International and Elijah Meeks (2014), D3.js in Action, Shelter Island, NY: Manning Publications are good places to start.
3 Jennifer Rutner and Roger C. Schonfeld (December 10, 2012), Supporting the Changing Research Practices of Historians, Ithaka S+R, http://www.sr.ithaka.org/sites/all/ modules/contrib/pubdlcnt/pubdlcnt.php?file=http://www.sr.ithaka.org/sites/default/ files/reports/supporting-the-changing-research-practices-of-historians.pdf&nid=532.
4 Damian Shiels (31 May 2014), “Visualising the Impact of the American Civil War in Ireland with Palladio” Irish in the American Civil War, available online at http://irishamericancivilwar.com/2014/05/31/visualising-the-impact-of-the-american-civil-war-in-ireland-with-palladio/. See also Clare Jensen, Kaitlyn Sisk and Aaron Braunstein “Using Palladio to Visualize Ads,” Digital History Methods, available online at http://ricedh.github.io/01-palladio.html. A round-up of other uses of Palladio is presented by Mark Braude (30 June 2014), “Check out the latest version of the Palladio dataviz plat- form from Humanities + Design @ Stanford,” HASTAC, http://www.hastac.org/news/check-out-latest-version-palladio-dataviz-platform-humanities-design-stanford.
5 Jim Clifford, Josh MacFadyen and Daniel Macfarlane, The Geospatial Historian: Open HGIS Lessons and Resources, available online at http://geospatialhistorian.wordpress.com/.
6 Jennifer Bonnell and Marcel Fortin (eds) (2014) Historical GIS Research in Canada, Calgary: University of Calgary Press.
7 Bethany Nowviskie (8 Jan 2012), “Two and a half cheers for the lunaticks,” Nowviskie.org, available online at http://nowviskie.org/2012/lunaticks/.
8 Sean Takats (7 February 2013), “A Digital Humanities Tenure Case, Part 2: letters and committees,” The Quintessence of Ham, http://quintessenceofham.org/2013/02/07/a-digital-humanities-tenure-case-part-2-letters-and-committees/.